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Optimized lightsource raycasts

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This commit is contained in:
Regalis
2017-03-03 00:02:43 +02:00
parent f04a00f6e1
commit e059a08688
3 changed files with 84 additions and 68 deletions
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4
Subsurface/Source/Map/Lights/ConvexHull.cs
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@@ -70,6 +70,8 @@ namespace Barotrauma.Lights
public SegmentPoint Start;
public SegmentPoint End;
public bool IsHorizontal;
public Segment(SegmentPoint start, SegmentPoint end)
{
Start = start;
@@ -77,6 +79,8 @@ namespace Barotrauma.Lights
start.Segment = this;
end.Segment = this;
IsHorizontal = Math.Abs(start.Pos.X - end.Pos.X) > Math.Abs(start.Pos.Y - end.Pos.Y);
}
}

4
Subsurface/Source/Map/Lights/LightSource.cs
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@@ -377,10 +377,10 @@ namespace Barotrauma.Lights
{
float closestDist = 0.0f;
Vector2? closestIntersection = null;
foreach (Segment s in segments)
{
Vector2? intersection = MathUtils.GetAxisAlignedLineIntersection(rayStart, rayEnd, s.Start.WorldPos, s.End.WorldPos);
Vector2? intersection = MathUtils.GetAxisAlignedLineIntersection(rayStart, rayEnd, s.Start.WorldPos, s.End.WorldPos, s.IsHorizontal);
if (intersection != null)
{